Subject: Re: [PATCH v2 3/3] mctp pcc: Implement MCTP over PCC Transport

From: kernel test robot <[email-masked]>
Date: Wed, 29 May 2024 21:21:16 +0800

Hi,

kernel test robot noticed the following build errors:

[auto build test ERROR on rafael-pm/linux-next]
[also build test ERROR on rafael-pm/bleeding-edge linus/master v6.10-rc1 next-20240529]
[cannot apply to horms-ipvs/master]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/admiyo-os-amperecomputing-com/mctp-pcc-Check-before-sending-MCTP-PCC-response-ACK/20240529-072116
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
patch link:    https://lore.kernel.org/r/20240528191823.17775-4-admiyo%40os.amperecomputing.com
patch subject: [PATCH v2 3/3] mctp pcc: Implement MCTP over PCC Transport
config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20240529/[email-masked]/config)
compiler: loongarch64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240529/[email-masked]/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <[email-masked]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email-masked]/

All errors (new ones prefixed by >>):

   drivers/net/mctp/mctp-pcc.c:331:10: error: 'struct acpi_driver' has no member named 'owner'
     331 |         .owner = THIS_MODULE,
         |          ^~~~~
   In file included from include/linux/printk.h:6,
                    from include/asm-generic/bug.h:22,
                    from arch/loongarch/include/asm/bug.h:60,
                    from include/linux/bug.h:5,
                    from include/linux/thread_info.h:13,
                    from include/asm-generic/preempt.h:5,
                    from ./arch/loongarch/include/generated/asm/preempt.h:1,
                    from include/linux/preempt.h:79,
                    from include/linux/spinlock.h:56,
                    from include/linux/mmzone.h:8,
                    from include/linux/gfp.h:7,
                    from include/linux/slab.h:16,
                    from include/linux/resource_ext.h:11,
                    from include/linux/acpi.h:13,
                    from drivers/net/mctp/mctp-pcc.c:7:
>> include/linux/init.h:180:21: error: initialization of 'const char *' from incompatible pointer type 'struct module *' [-Werror=incompatible-pointer-types]
     180 | #define THIS_MODULE (&__this_module)
         |                     ^
   drivers/net/mctp/mctp-pcc.c:331:18: note: in expansion of macro 'THIS_MODULE'
     331 |         .owner = THIS_MODULE,
         |                  ^~~~~~~~~~~
   include/linux/init.h:180:21: note: (near initialization for 'mctp_pcc_driver.drv.name')
     180 | #define THIS_MODULE (&__this_module)
         |                     ^
   drivers/net/mctp/mctp-pcc.c:331:18: note: in expansion of macro 'THIS_MODULE'
     331 |         .owner = THIS_MODULE,
         |                  ^~~~~~~~~~~
   drivers/net/mctp/mctp-pcc.c:322:45: warning: missing braces around initializer [-Wmissing-braces]
     322 | static struct acpi_driver mctp_pcc_driver = {
         |                                             ^
   drivers/net/mctp/mctp-pcc.c: In function 'mctp_pcc_mod_init':
   drivers/net/mctp/mctp-pcc.c:343:80: warning: suggest braces around empty body in an 'if' statement [-Wempty-body]
     343 |                 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error registering driver\n"));
         |                                                                                ^
   cc1: some warnings being treated as errors

vim +180 include/linux/init.h

f2511774863487e Arjan van de Ven 2009-12-13  177  
5b20755b7780464 Masahiro Yamada  2023-11-26  178  #ifdef MODULE
5b20755b7780464 Masahiro Yamada  2023-11-26  179  extern struct module __this_module;
5b20755b7780464 Masahiro Yamada  2023-11-26 @180  #define THIS_MODULE (&__this_module)
5b20755b7780464 Masahiro Yamada  2023-11-26  181  #else
5b20755b7780464 Masahiro Yamada  2023-11-26  182  #define THIS_MODULE ((struct module *)0)
5b20755b7780464 Masahiro Yamada  2023-11-26  183  #endif
5b20755b7780464 Masahiro Yamada  2023-11-26  184  

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